Flat bow



FIG. 1 is a rear elevational view of a flat bow, showing the new design;

FIG. 2 is a top plan view of the flat bow of FIG. 1;

FIG. 3 is a right side elevational view of the flat bow of FIG. 1;

FIG. 4 is a left side elevational view of the flat bow of FIG. 1;

FIG. 5 is a front elevational view of the flat bow of FIG. 1; and,

FIG. 6 is a bottom plan view of the flat bow of FIG. 1. 

The ornamental design for a flat bow, as shown and described. 